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h8300: use the declarations provided by <asm/sections.h>

Browse Source 
Cleanups:
  - Include <asm/sections.h>,
  - Remove the (different) extern declarations,
  - Remove the no longer needed address-of ('&') operators,
  - Remove the superfluous casts, use proper printk formatting instead.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Geert Uytterhoeven 2012-06-20 12:53:00 -07:00 committed by Linus Torvalds
parent ffb20313c0
commit 436814e61f
2 changed files with 18 additions and 22 deletions
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23
arch/h8300/kernel/setup.c
View File

@ -35,6 +35,7 @@
#include <asm/setup.h>
#include <asm/irq.h>
#include <asm/pgtable.h>
#include <asm/sections.h>
#if defined(__H8300H__)
#define CPU "H8/300H"
@ -54,7 +55,6 @@ unsigned long memory_end;
char __initdata command_line[COMMAND_LINE_SIZE];
extern int _stext, _etext, _sdata, _edata, __bss_start, __bss_stop, _end;
extern int _ramstart, _ramend;
extern char _target_name[];
extern void h8300_gpio_init(void);
@ -119,9 +119,9 @@ void __init setup_arch(char **cmdline_p)
memory_end = CONFIG_BLKDEV_RESERVE_ADDRESS;
#endif
init_mm.start_code = (unsigned long) &_stext;
init_mm.end_code = (unsigned long) &_etext;
init_mm.end_data = (unsigned long) &_edata;
init_mm.start_code = (unsigned long) _stext;
init_mm.end_code = (unsigned long) _etext;
init_mm.end_data = (unsigned long) _edata;
init_mm.brk = (unsigned long) 0;
#if (defined(CONFIG_H8300H_SIM) || defined(CONFIG_H8S_SIM)) && defined(CONFIG_GDB_MAGICPRINT)
@ -134,15 +134,12 @@ void __init setup_arch(char **cmdline_p)
printk(KERN_INFO "H8/300 series support by Yoshinori Sato <ysato@users.sourceforge.jp>\n");
#ifdef DEBUG
printk(KERN_DEBUG "KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x "
"BSS=0x%06x-0x%06x\n", (int) &_stext, (int) &_etext,
(int) &_sdata, (int) &_edata,
(int) &__bss_start, (int) &__bss_stop);
printk(KERN_DEBUG "KERNEL -> ROMFS=0x%06x-0x%06x MEM=0x%06x-0x%06x "
"STACK=0x%06x-0x%06x\n",
(int) &__bss_stop, (int) memory_start,
(int) memory_start, (int) memory_end,
(int) memory_end, (int) &_ramend);
printk(KERN_DEBUG "KERNEL -> TEXT=0x%p-0x%p DATA=0x%p-0x%p "
"BSS=0x%p-0x%p\n", _stext, _etext, _sdata, _edata, __bss_start,
__bss_stop);
printk(KERN_DEBUG "KERNEL -> ROMFS=0x%p-0x%06lx MEM=0x%06lx-0x%06lx "
"STACK=0x%06lx-0x%p\n", __bss_stop, memory_start, memory_start,
memory_end, memory_end, &_ramend);
#endif
#ifdef CONFIG_DEFAULT_CMDLINE

17
arch/h8300/mm/init.c
View File

@ -36,6 +36,7 @@
#include <asm/segment.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/sections.h>
#undef DEBUG
@ -123,7 +124,6 @@ void __init mem_init(void)
int codek = 0, datak = 0, initk = 0;
/* DAVIDM look at setup memory map generically with reserved area */
unsigned long tmp;
extern char _etext, _stext, _sdata, __bss_stop, __init_begin, __init_end;
extern unsigned long _ramend, _ramstart;
unsigned long len = &_ramend - &_ramstart;
unsigned long start_mem = memory_start; /* DAVIDM - these must start at end of kernel */
@ -142,9 +142,9 @@ void __init mem_init(void)
/* this will put all memory onto the freelists */
totalram_pages = free_all_bootmem();
codek = (&_etext - &_stext) >> 10;
datak = (&__bss_stop - &_sdata) >> 10;
initk = (&__init_begin - &__init_end) >> 10;
codek = (_etext - _stext) >> 10;
datak = (__bss_stop - _sdata) >> 10;
initk = (__init_begin - __init_end) >> 10;
tmp = nr_free_pages() << PAGE_SHIFT;
printk(KERN_INFO "Memory available: %luk/%luk RAM, %luk/%luk ROM (%dk kernel code, %dk data)\n",
@ -178,22 +178,21 @@ free_initmem(void)
{
#ifdef CONFIG_RAMKERNEL
unsigned long addr;
extern char __init_begin, __init_end;
/*
* the following code should be cool even if these sections
* are not page aligned.
*/
addr = PAGE_ALIGN((unsigned long)(&__init_begin));
addr = PAGE_ALIGN((unsigned long)(__init_begin));
/* next to check that the page we free is not a partial page */
for (; addr + PAGE_SIZE < (unsigned long)(&__init_end); addr +=PAGE_SIZE) {
for (; addr + PAGE_SIZE < (unsigned long)__init_end; addr +=PAGE_SIZE) {
ClearPageReserved(virt_to_page(addr));
init_page_count(virt_to_page(addr));
free_page(addr);
totalram_pages++;
}
printk(KERN_INFO "Freeing unused kernel memory: %ldk freed (0x%x - 0x%x)\n",
(addr - PAGE_ALIGN((long) &__init_begin)) >> 10,
(int)(PAGE_ALIGN((unsigned long)(&__init_begin))),
(addr - PAGE_ALIGN((long) __init_begin)) >> 10,
(int)(PAGE_ALIGN((unsigned long)__init_begin)),
(int)(addr - PAGE_SIZE));
#endif
}